Quantum Computing Inc.
QUBT- Exchange
- Nasdaq
- Industry
- Services-Prepackaged Software
- SEC CIK
- 0001758009
No open-market purchases or sales by Quantum Computing Inc. insiders were filed in the last 90 days; 313 institutions reported holding it in 13F filings for Q2 2026, worth $995.6M in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in Quantum Computing Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 313
- +22 vs. Q1 2026
- Shares held
- 102.9M
- +10.1M (+10.9%) vs. Q1 2026
- Total value
- $995.6M
- +$359.2M (+56.4%) vs. Q1 2026
- New holders
- 67
- 129 more added
- Sold out
- 45
- 60 more reduced
5 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting QUBT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 313 | $995.6M |
| Q1 2026 | 296 | $637.2M |
| Q4 2025 | 287 | $1.01B |
| Q3 2025 | 259 | $1.68B |
| Q2 2025 | 222 | $1.07B |
| Q1 2025 | 166 | $179.2M |
| Q4 2024 | 125 | $359.6M |
| Q3 2024 | 34 | $2.62M |
| Q2 2024 | 47 | $2.05M |
| Q1 2024 | 46 | $3.68M |
| Q4 2023 | 45 | $2.93M |
| Q3 2023 | 42 | $3.15M |
| Q2 2023 | 39 | $3.46M |
| Q1 2023 | 37 | $2.92M |
| Q4 2022 | 36 | $3.10M |
| Q3 2022 | 36 | $5.04M |
| Q2 2022 | 35 | $4.36M |
| Q1 2022 | 35 | $4.64M |
| Q4 2021 | 28 | $7.03M |
| Q3 2021 | 24 | $7.80M |
| Q2 2021 | 1 | $12.0K |
| Q1 2021 | 1 | $16.0K |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Quantum Computing Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 17,733,975 | $172.0M | 0.00% | +1,594,763+9.9% | Added |
| Vanguard Capital Management LLC | 8,848,881 | $85.8M | 0.00% | +86,586+1.0% | Added |
| Penserra Capital Management LLC | 6,979,349 | $67.7M | 0.52% | +3,629,502+108.3% | Added |
| Defiance ETFs, LLC | 7,033,410 | $66.3M | 0.92% | +2,538,327+56.5% | Added |
| Vanguard Portfolio Management LLC | 6,566,582 | $63.7M | 0.00% | −143,542−2.1% | Reduced |
| Geode Capital Management, LLC | 5,322,648 | $51.6M | 0.00% | +622,343+13.2% | Added |
| State Street Corp | 4,921,317 | $47.7M | 0.00% | +404,497+9.0% | Added |
| Morgan Stanley | 3,292,011 | $31.9M | 0.00% | +971,285+41.9% | Added |
| Marex Group plc | 2,302,359 | $22.3M | 0.17% | −2,186,553−48.7% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 2,272,533 | $22.1M | 0.03% | +69,232+3.1% | Added |
| UBS Group AG | 2,045,200 | $19.8M | 0.00% | +729,508+55.4% | Added |
| Bank of New York Mellon Corp | 1,975,697 | $19.2M | 0.00% | +953,093+93.2% | Added |
| Northern Trust Corp | 1,815,091 | $17.6M | 0.00% | +126,010+7.5% | Added |
| Charles Schwab Investment Management Inc | 1,641,744 | $15.9M | 0.00% | +149,534+10.0% | Added |
| Mubadala Investment Co PJSC | 1,587,350 | $15.4M | 0.04% | 00.0% | Unchanged |
| Capital Fund Management S.A. | 1,505,193 | $14.6M | 0.10% | −195,702−11.5% | Reduced |
| National Bank of Canada | 1,458,236 | $14.1M | 0.01% | +1,319,087+948.0% | Added |
| Clear Street Group Inc. | 1,427,999 | $13.9M | 0.04% | +585,780+69.6% | Added |
| Van Eck Associates Corp | 1,317,352 | $12.8M | 0.01% | +345,750+35.6% | Added |
| Vanguard Fiduciary Trust Co | 1,301,720 | $12.6M | 0.00% | −41,906−3.1% | Reduced |
| Susquehanna International Group, LLP | 1,172,886 | $11.4M | 0.01% | +485,063+70.5% | Added |
| BNP Paribas Arbitrage, SA | 1,070,785 | $10.4M | 0.01% | +729,860+214.1% | Added |
| Raymond James Financial Inc | 1,037,659 | $10.1M | 0.00% | +248,076+31.4% | Added |
| Pacific Heights Asset Management LLC | 1,000,000 | $9.70M | 0.31% | 00.0% | Unchanged |
| Focus Financial Network, Inc. | 911,635 | $8.84M | 0.27% | +730,240+402.6% | Added |
| Goldman Sachs Group Inc | 789,243 | $7.66M | 0.00% | −118,731−13.1% | Reduced |
| Nuveen, LLC | 632,451 | $6.13M | 0.00% | +773+0.1% | Added |
| D. E. Shaw & Co., Inc. | 582,618 | $5.65M | 0.00% | −135,592−18.9% | Reduced |
| Blackstone Group Inc. | 500,000 | $4.85M | 0.02% | 00.0% | Unchanged |
| Algert Global LLC | 445,251 | $4.32M | 0.05% | +131,620+42.0% | Added |
| Barclays PLC | 404,331 | $3.92M | 0.00% | +366,226+961.1% | Added |
| Squarepoint Ops LLC | 402,727 | $3.91M | 0.01% | −949,006−70.2% | Reduced |
| Swiss National Bank | 395,400 | $3.84M | 0.00% | −2,300−0.6% | Reduced |
| Bank of America Corp | 387,812 | $3.76M | 0.00% | −51,963−11.8% | Reduced |
| Landscape Capital Management, L.L.C. | 381,046 | $3.70M | 0.24% | +315,815+484.1% | Added |
| LPL Financial LLC | 380,999 | $3.70M | 0.00% | +98,136+34.7% | Added |
| UNICOM Systems, Inc. | 362,279 | $3.51M | 0.23% | 00.0% | Unchanged |
| Millennium Management LLC | 359,801 | $3.49M | 0.00% | +272,766+313.4% | Added |
| UBS Asset Management Americas Inc | 321,236 | $3.12M | 0.00% | +70,775+28.3% | Added |
| Price T Rowe Associates Inc | 275,225 | $2.67M | 0.00% | +47,816+21.0% | Added |
| Rhumbline Advisers | 263,716 | $2.56M | 0.00% | +28,721+12.2% | Added |
| Citigroup Inc | 253,484 | $2.46M | 0.00% | +183,003+259.6% | Added |
| Wells Fargo & Company | 248,322 | $2.41M | 0.00% | +110,394+80.0% | Added |
| California State Teachers Retirement System | 224,011 | $2.17M | 0.00% | −27,991−11.1% | Reduced |
| Deutsche Bank AG | 208,776 | $2.03M | 0.00% | +35,188+20.3% | Added |
| JPMorgan Chase & Co | 184,303 | $1.92M | 0.00% | +9,129+5.2% | Added |
| Two Sigma Investments, LP | 186,284 | $1.81M | 0.00% | −197,968−51.5% | Reduced |
| Royal Bank of Canada | 174,293 | $1.69M | 0.00% | −23,198−11.7% | Reduced |
| Foundations Investment Advisors, LLC | 172,427 | $1.67M | 0.02% | −17,390−9.2% | Reduced |
| SLT Holdings LLC | 170,550 | $1.65M | 1.06% | −17,500−9.3% | Reduced |
| Headlands Technologies LLC | 154,901 | $1.50M | 0.16% | −122,297−44.1% | Reduced |
| Alliancebernstein L.P. | 219,252 | $1.50M | 0.00% | +8,774+4.2% | Added |
| Brevan Howard Capital Management LP | 153,629 | $1.49M | 0.02% | +135,258+736.3% | Added |
| Quantinno Capital Management LP | 149,469 | $1.45M | 0.00% | +113,500+315.5% | Added |
| SG Americas Securities, LLC | 148,391 | $1.44M | 0.00% | +93,133+168.5% | Added |
| SBI Securities Co., Ltd. | 143,253 | $1.39M | 0.03% | +2,607+1.9% | Added |
| Citadel Advisors LLC | 138,628 | $1.34M | 0.00% | −722,352−83.9% | Reduced |
| Fifth Third Bancorp | 138,250 | $1.34M | 0.00% | +3,950+2.9% | Added |
| Cambridge Investment Research Advisors, Inc. | 137,284 | $1.33M | 0.00% | +65,965+92.5% | Added |
| Vanguard Asset Management, Ltd | 132,344 | $1.28M | 0.00% | 00.0% | Unchanged |
| CI Private Wealth, LLC | 131,534 | $1.28M | 0.00% | +108,747+477.2% | Added |
| Russell Investments Group, Ltd. | 129,531 | $1.26M | 0.00% | +45,096+53.4% | Added |
| XTX Topco Ltd | 127,953 | $1.24M | 0.02% | +53,194+71.2% | Added |
| Los Angeles Capital Management LLC | 126,626 | $1.23M | 0.00% | −58,983−31.8% | Reduced |
| American Century Companies Inc | 124,540 | $1.21M | 0.00% | +124,540 | New |
| Legal & General Group Plc | 121,161 | $1.18M | 0.00% | −43,720−26.5% | Reduced |
| MetLife Investment Management | 121,021 | $1.17M | 0.01% | +7,798+6.9% | Added |
| Invesco Ltd. | 110,135 | $1.07M | 0.00% | −19,722−15.2% | Reduced |
| Manufacturers Life Insurance Company, The | 104,732 | $1.02M | 0.00% | +8,935+9.3% | Added |
| Moors & Cabot, Inc. | 103,585 | $1.00M | 0.04% | +103,585 | New |
| PEAK6 LLC | 100,330 | $973.2K | 0.02% | +42,410+73.2% | Added |
| Yarbrough Capital, LLC | 99,056 | $960.8K | 0.03% | 00.0% | Unchanged |
| State of New Jersey Common Pension Fund D | 98,537 | $955.8K | 0.00% | +98,537 | New |
| Cetera Investment Advisers | 93,881 | $910.6K | 0.00% | −21,414−18.6% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 93,809 | $909.9K | 0.00% | +7,211+8.3% | Added |
| Vident Advisory, LLC | 91,131 | $884.0K | 0.01% | +14,691+19.2% | Added |
| Concurrent Investment Advisors, LLC | 90,328 | $876.2K | 0.01% | −40,195−30.8% | Reduced |
| Jupiter Topco LLC | 87,818 | $852.3K | 0.00% | +87,818 | New |
| State of Wisconsin Investment Board | 86,693 | $840.9K | 0.00% | −419−0.5% | Reduced |
| Graham Capital Management, L.P. | 80,000 | $776.0K | 0.02% | +80,000 | New |
| Simplex Trading, LLC | 78,534 | $761.8K | 0.02% | −87,518−52.7% | Reduced |
| Leonteq Securities AG | 72,815 | $706.3K | 0.04% | +17,660+32.0% | Added |
| Banque Pictet & Cie SA | 72,000 | $698.4K | 0.01% | 00.0% | Unchanged |
| Vanguard Global Advisers, LLC | 71,662 | $695.1K | 0.00% | −3,067−4.1% | Reduced |
| Ameriprise Financial Inc | 71,659 | $695.1K | 0.00% | +14,572+25.5% | Added |
| Rockefeller Capital Management L.P. | 70,366 | $682.5K | 0.00% | +7,381+11.7% | Added |
| Advisor Group Holdings, Inc. | 69,520 | $674.3K | 0.00% | +32,296+86.8% | Added |
| Commonwealth Equity Services, LLC | 68,777 | $667.1K | 0.00% | +22,492+48.6% | Added |
| Handelsbanken Fonder AB | 65,700 | $637.0K | 0.00% | +21,900+50.0% | Added |
| VARCOV Co. | 64,663 | $627.2K | 0.24% | +64,663 | New |
| New York State Common Retirement Fund | 63,500 | $616.0K | 0.00% | −100−0.2% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 63,236 | $613.4K | 0.02% | +12,417+24.4% | Added |
| Creative Planning | 63,042 | $611.5K | 0.00% | +35,541+129.2% | Added |
| Police & Firemen's Retirement System of New Jersey | 60,881 | $590.5K | 0.00% | +6,737+12.4% | Added |
| Corecam Pte. Ltd. | 60,859 | $590.3K | 0.22% | +30,242+98.8% | Added |
| Ameritas Advisory Services, LLC | 60,848 | $590.2K | 0.01% | +50,478+486.8% | Added |
| Jones Financial Companies LLLP | 63,404 | $582.0K | 0.00% | +9,926+18.6% | Added |
| Stevens Capital Management LP | 59,300 | $575.0K | 0.14% | −27,400−31.6% | Reduced |
| Simplicity Wealth,LLC | 58,028 | $562.9K | 0.02% | +58,028 | New |
| Scoggin Management LP | 57,500 | $557.8K | 0.13% | +57,500 | New |